/* ── Theme Variables ───────────────────────────────── */
:root {
  --accent: #6ee7b7;
  --accent2: #34d399;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-theme="dark"] {
  --bg: #0a0a0f;
  --bg2: #13131a;
  --bg3: #1c1c27;
  --border: #ffffff12;
  --text: #f0f0f5;
  --muted: #8888aa;
  --card: #16161f;
}
[data-theme="dim"] {
  --bg: #1a1b2e;
  --bg2: #22233a;
  --bg3: #2a2b45;
  --border: #ffffff18;
  --text: #e8e8f5;
  --muted: #8b8baa;
  --card: #20213a;
}
[data-theme="light"] {
  --bg: #f8f8fc;
  --bg2: #eeeefc;
  --bg3: #e4e4f4;
  --border: #00000012;
  --text: #111120;
  --muted: #6666aa;
  --card: #ffffff;
  --accent: #059669;
  --accent2: #047857;
}

/* ── Base ──────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "DM Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  transition:
    background var(--transition),
    color var(--transition);
  overflow-x: hidden;
}
h1,
h2,
h3,
h4,
h5 {
  font-family: "Syne", sans-serif;
}

/* ── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar {
  width: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 999px;
}

/* ── Nav ───────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

/* ── Noise texture overlay ─────────────────────────── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ── Glow blobs ────────────────────────────────────── */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.12;
  background: var(--accent);
  transition: opacity var(--transition);
}
[data-theme="light"] .blob {
  opacity: 0.06;
}

/* ── Section ───────────────────────────────────────── */
section {
  position: relative;
  z-index: 1;
}

/* ── Accent text ───────────────────────────────────── */
.accent {
  color: var(--accent);
}

/* ── Cards ─────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  transition:
    border-color 0.25s,
    transform 0.25s,
    box-shadow 0.25s;
}
.card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  box-shadow: 0 0 30px color-mix(in srgb, var(--accent) 8%, transparent);
  transform: translateY(-2px);
}

/* ── Tag badge ─────────────────────────────────────── */
.tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}

/* ── Hero title animation ──────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.hero-line {
  animation: fadeUp 0.7s ease both;
}
.hero-line:nth-child(1) {
  animation-delay: 0.1s;
}
.hero-line:nth-child(2) {
  animation-delay: 0.22s;
}
.hero-line:nth-child(3) {
  animation-delay: 0.34s;
}
.hero-line:nth-child(4) {
  animation-delay: 0.46s;
}
.hero-line:nth-child(5) {
  animation-delay: 0.58s;
}

/* ── Section heading decoration ───────────────────── */
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 10px;
}

/* ── Skill bar ─────────────────────────────────────── */
.skill-item {
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--bg3);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
  transition:
    background 0.2s,
    border-color 0.2s,
    color 0.2s;
}
.skill-item:hover {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--accent);
}

/* ── Timeline ──────────────────────────────────────── */
.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 6px;
  box-shadow: 0 0 10px var(--accent);
}
.timeline-line {
  position: absolute;
  left: 5px;
  top: 18px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  opacity: 0.2;
}

/* ── Project image overlay ──────────────────────────── */
.proj-img-wrap {
  overflow: hidden;
}
.proj-img-wrap img {
  transition: transform 0.5s ease;
}
.card:hover .proj-img-wrap img {
  transform: scale(1.04);
}

/* ── Proj link icon btn ─────────────────────────────── */
.proj-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}
.proj-btn:hover {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

/* ── Theme toggle pills ─────────────────────────────── */
.theme-pill {
  cursor: pointer;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  transition: all 0.2s;
  font-family: "DM Sans", sans-serif;
}
.theme-pill.active,
.theme-pill:hover {
  background: var(--accent);
  color: #0a0a0f;
  border-color: var(--accent);
}

/* ── Nav link ───────────────────────────────────────── */
.nav-link {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
  transition:
    color 0.2s,
    border-color 0.2s;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text);
  border-color: var(--accent);
}

/* ── CTA Button ─────────────────────────────────────── */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 12px;
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  background: var(--accent);
  color: #0a0a0f;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
  box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 25%, transparent);
}
.cta-btn:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--accent) 35%, transparent);
}
.cta-btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  box-shadow: none;
}
.cta-btn-outline:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent2);
}

/* ── Social icon btn ────────────────────────────────── */
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--muted);
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s,
    transform 0.2s;
}
.social-btn:hover {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  transform: translateY(-3px);
}

/* ── Cursor dot ─────────────────────────────────────── */
#cursor {
  pointer-events: none;
  position: fixed;
  z-index: 9999;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
  transition:
    transform 0.08s,
    width 0.2s,
    height 0.2s,
    opacity 0.2s;
  opacity: 0;
}

/* ── Mobile menu ────────────────────────────────────── */
#mobile-menu {
  display: none;
}
#mobile-menu.open {
  display: flex;
}

/* ── Reveal animation ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Avatar ring ─────────────────────────────────────── */
.avatar-ring {
  border-radius: 50%;
  padding: 2px;
  background: conic-gradient(var(--accent), var(--accent2), var(--accent));
  /* animation: spin 8s linear infinite; */
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.avatar-inner {
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg2);
}

/* ── Muted text ──────────────────────────────────────── */
.text-muted {
  color: var(--muted);
}
.border-subtle {
  border-color: var(--border);
}
.bg-card {
  background: var(--card);
}
.bg-bg2 {
  background: var(--bg2);
}
.bg-bg3 {
  background: var(--bg3);
}

/* ── Loader ─────────────────────────────────────── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #0a0a0f;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.6s ease,
    visibility 0.6s ease;
}
#loader.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.loader-logo {
  font-family: "Syne", sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: #f0f0f5;
  animation: pulseLogo 1.5s ease-in-out infinite;
}
.loader-logo span {
  color: #6ee7b7;
}
@keyframes pulseLogo {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.97);
  }
}
.loader-bar-wrap {
  width: 180px;
  height: 3px;
  background: #ffffff10;
  border-radius: 999px;
  overflow: hidden;
}
.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6ee7b7, #34d399);
  border-radius: 999px;
  animation: fillBar 2.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  box-shadow: 0 0 12px #6ee7b7aa;
}
@keyframes fillBar {
  0% {
    width: 0%;
  }
  60% {
    width: 75%;
  }
  85% {
    width: 90%;
  }
  100% {
    width: 100%;
  }
}
.loader-text {
  font-family: "DM Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8888aa;
  animation: fadeInOut 2.2s ease infinite;
}
@keyframes fadeInOut {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}
/* Prevent scroll while loading */
body.loading {
  overflow: hidden;
}

/* ── Like Button ─────────────────────────────────── */
#like-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  font-family: "Syne", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  background: var(--bg3);
  border: 2px solid var(--border);
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s ease;
}
#like-btn:hover {
  border-color: #f472b6;
  background: color-mix(in srgb, #f472b6 12%, transparent);
  color: #f472b6;
  transform: scale(1.05);
}
#like-btn.liked {
  border-color: #f472b6;
  background: color-mix(in srgb, #f472b6 15%, transparent);
  color: #f472b6;
  cursor: default;
  transform: scale(1);
}
#like-btn.liked:hover {
  transform: scale(1.02);
}
@keyframes likePoP {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.35);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}
.like-pop {
  animation: likePop 0.45s ease;
}
.like-count {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}
.like-msg {
  font-size: 0.78rem;
  color: #f472b6;
  font-weight: 600;
  min-height: 16px;
  letter-spacing: 0.04em;
}